55865145

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{17}}^2\times {\mathrm{263}}^1$

素因数の和:319

約数の個数: 72

約数和(自身を含む): 110873664

約数和(自身を除く): 55008519

約数列:

[1, 3, 5, 7, 15, 17, 21, 35, 49, 51, 85, 105, 119, 147, 245, 255, 263, 289, 357, 595, 735, 789, 833, 867, 1315, 1445, 1785, 1841, 2023, 2499, 3945, 4165, 4335, 4471, 5523, 6069, 9205, 10115, 12495, 12887, 13413, 14161, 22355, 27615, 30345, 31297, 38661, 42483, 64435, 67065, 70805, 76007, 93891, 156485, 193305, 212415, 219079, 228021, 380035, 469455, 532049, 657237, 1095395, 1140105, 1596147, 2660245, 3286185, 3724343, 7980735, 11173029, 18621715, 55865145]

約数ペア:

[(1, 55865145), (3, 18621715), (5, 11173029), (7, 7980735), (15, 3724343), (17, 3286185), (21, 2660245), (35, 1596147), (49, 1140105), (51, 1095395), (85, 657237), (105, 532049), (119, 469455), (147, 380035), (245, 228021), (255, 219079), (263, 212415), (289, 193305), (357, 156485), (595, 93891), (735, 76007), (789, 70805), (833, 67065), (867, 64435), (1315, 42483), (1445, 38661), (1785, 31297), (1841, 30345), (2023, 27615), (2499, 22355), (3945, 14161), (4165, 13413), (4335, 12887), (4471, 12495), (5523, 10115), (6069, 9205)]